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钥匙开关
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发布时间:2018-07-24 10:03:10  浏览次数:

Features/Benefits

  • Multi-pole and multi-position

  • Shorting and non-shorting contacts available

  • Low level and power capability

  • PCB mounting

Typical Applications

  • Security alarm systems

  • Medical equipment

  • Computer servers

 

 

 

Specifications

  1. CONTACT RATING: Q contact material: Switch-2.5 AMPS @ 125 V AC; 350 mA @ 125 V DC (UL/CSA). Carry-5 AMPS continuous. See page M-38 for additional ratings.

  2. ELECTRICAL LIFE: 15,000 make-and-break cycles at full load up to 300,000 detent operations.

  3. CONTACT RESISTANCE: Below 20 m Ω typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts.

  4. INSULATION RESISTANCE: 109 Ω min.

  5. DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.

  6. OPERATING TEMPERATURE: –30ºC to 85ºC.

  7. INDEXING: 30º: 2-4 positions, 45º or 90º: 2-3 positions.

  8. STATIC RESISTANCE: Anti-static models exceed 20 KV DC static resistance @ sea level, lock body to terminals.

Materials

  1. LOCK: Zinc alloy with stainless steel facing.

  2. KEYS: Two nickel plated brass keys with code number.

  3. SWITCH HOUSING: Glass filled 6/6 nylon (UL 94V-0).

  4. MOVABLE CONTACT: Q contact material: Coin silver, silver plated.See page M-38 for additional contact materials.

  5. STATIONARY CONTACTS & TERMINALS: Q contact material: Brass,silver plated. See page L-38 for additional contact materials.

  6. MOUNTING NUT: Zinc alloy.

  7. DRESS NUT: Brass, nickel plated.

  8. LOCKING RING: 6/6 nylon (UL 94V-2).

  9. TERMINAL SEAL: Epoxy.


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